Patents by Inventor Kouji Itano

Kouji Itano has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Radiation sensitive composition for color filters
    Patent number: 6120973
    Abstract: A radiation sensitive composition comprising (A) a colorant such as carbon black and an organic pigment, (B) an alkali-soluble resin comprising a copolymer of an N-substituted maleimide monomer and other copolymerizable monomer,(C) a polyfunctional monomer, and (D) a photopolymerization initiator.
    Type: Grant
    Filed: April 22, 1998
    Date of Patent: September 19, 2000
    Assignee: JSR Corporation
    Inventors: Kouji Itano, Shigeru Abe, Yasumi Itano
  • Radiation sensitive composition and color filter
    Patent number: 6087050
    Abstract: A radiation sensitive composition comprising a colorant, a binder polymer, at least one esterified product selected from the group consisting of (c-1) an esterified product of a dicarboxylic acid and a free hydroxyl group-containing poly(meth)acrylate and (c-2) an esterified product of a polycarboxylic acid having at least three carboxyl groups and a monohydroxyalkyl (meth)acrylate and a photopolymerization initiator. A color filter is produced by photo-curing the composition.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: July 11, 2000
    Assignee: JSR Corporation
    Inventors: Kouji Itano, Shigeru Abe, Hiroaki Nemoto, Atsushi Kumano